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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">crop_contours_xld</span><span data-if="c" style="display:none;">crop_contours_xld</span><span data-if="cpp" style="display:none;">CropContoursXld</span><span data-if="dotnet" style="display:none;">CropContoursXld</span><span data-if="python" style="display:none;">crop_contours_xld</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">crop_contours_xld</span><span data-if="c" style="display:none;">crop_contours_xld</span><span data-if="cpp" style="display:none;">CropContoursXld</span><span data-if="dotnet" style="display:none;">CropContoursXld</span><span data-if="python" style="display:none;">crop_contours_xld</span></code> — Crop an XLD contour.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>crop_contours_xld</b>(<a href="#Contours"><i>Contours</i></a> : <a href="#CroppedContours"><i>CroppedContours</i></a> : <a href="#Row1"><i>Row1</i></a>, <a href="#Col1"><i>Col1</i></a>, <a href="#Row2"><i>Row2</i></a>, <a href="#Col2"><i>Col2</i></a>, <a href="#CloseContours"><i>CloseContours</i></a> : )</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>crop_contours_xld</b>(const Hobject <a href="#Contours"><i>Contours</i></a>, Hobject* <a href="#CroppedContours"><i>CroppedContours</i></a>, double <a href="#Row1"><i>Row1</i></a>, double <a href="#Col1"><i>Col1</i></a>, double <a href="#Row2"><i>Row2</i></a>, double <a href="#Col2"><i>Col2</i></a>, const char* <a href="#CloseContours"><i>CloseContours</i></a>)</code></p>
<p>
<code>Herror <b>T_crop_contours_xld</b>(const Hobject <a href="#Contours"><i>Contours</i></a>, Hobject* <a href="#CroppedContours"><i>CroppedContours</i></a>, const Htuple <a href="#Row1"><i>Row1</i></a>, const Htuple <a href="#Col1"><i>Col1</i></a>, const Htuple <a href="#Row2"><i>Row2</i></a>, const Htuple <a href="#Col2"><i>Col2</i></a>, const Htuple <a href="#CloseContours"><i>CloseContours</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>CropContoursXld</b>(const HObject&amp; <a href="#Contours"><i>Contours</i></a>, HObject* <a href="#CroppedContours"><i>CroppedContours</i></a>, const HTuple&amp; <a href="#Row1"><i>Row1</i></a>, const HTuple&amp; <a href="#Col1"><i>Col1</i></a>, const HTuple&amp; <a href="#Row2"><i>Row2</i></a>, const HTuple&amp; <a href="#Col2"><i>Col2</i></a>, const HTuple&amp; <a href="#CloseContours"><i>CloseContours</i></a>)</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>::<b>CropContoursXld</b>(const HTuple&amp; <a href="#Row1"><i>Row1</i></a>, const HTuple&amp; <a href="#Col1"><i>Col1</i></a>, const HTuple&amp; <a href="#Row2"><i>Row2</i></a>, const HTuple&amp; <a href="#Col2"><i>Col2</i></a>, const HString&amp; <a href="#CloseContours"><i>CloseContours</i></a>) const</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>::<b>CropContoursXld</b>(double <a href="#Row1"><i>Row1</i></a>, double <a href="#Col1"><i>Col1</i></a>, double <a href="#Row2"><i>Row2</i></a>, double <a href="#Col2"><i>Col2</i></a>, const HString&amp; <a href="#CloseContours"><i>CloseContours</i></a>) const</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>::<b>CropContoursXld</b>(double <a href="#Row1"><i>Row1</i></a>, double <a href="#Col1"><i>Col1</i></a>, double <a href="#Row2"><i>Row2</i></a>, double <a href="#Col2"><i>Col2</i></a>, const char* <a href="#CloseContours"><i>CloseContours</i></a>) const</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>::<b>CropContoursXld</b>(double <a href="#Row1"><i>Row1</i></a>, double <a href="#Col1"><i>Col1</i></a>, double <a href="#Row2"><i>Row2</i></a>, double <a href="#Col2"><i>Col2</i></a>, const wchar_t* <a href="#CloseContours"><i>CloseContours</i></a>) const  <span class="signnote">
            (
            Windows only)
          </span></code></p>
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<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>CropContoursXld</b>(<a href="HObject.html">HObject</a> <a href="#Contours"><i>contours</i></a>, out <a href="HObject.html">HObject</a> <a href="#CroppedContours"><i>croppedContours</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Row1"><i>row1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Col1"><i>col1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Row2"><i>row2</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Col2"><i>col2</i></a>, <a href="HTuple.html">HTuple</a> <a href="#CloseContours"><i>closeContours</i></a>)</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>.<b>CropContoursXld</b>(<a href="HTuple.html">HTuple</a> <a href="#Row1"><i>row1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Col1"><i>col1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Row2"><i>row2</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Col2"><i>col2</i></a>, string <a href="#CloseContours"><i>closeContours</i></a>)</code></p>
<p>
<code><a href="HXLDCont.html">HXLDCont</a> <a href="HXLDCont.html">HXLDCont</a>.<b>CropContoursXld</b>(double <a href="#Row1"><i>row1</i></a>, double <a href="#Col1"><i>col1</i></a>, double <a href="#Row2"><i>row2</i></a>, double <a href="#Col2"><i>col2</i></a>, string <a href="#CloseContours"><i>closeContours</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>crop_contours_xld</b>(<a href="#Contours"><i>contours</i></a>: HObject, <a href="#Row1"><i>row_1</i></a>: Union[float, int], <a href="#Col1"><i>col_1</i></a>: Union[float, int], <a href="#Row2"><i>row_2</i></a>: Union[float, int], <a href="#Col2"><i>col_2</i></a>: Union[float, int], <a href="#CloseContours"><i>close_contours</i></a>: str) -&gt; HObject</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">crop_contours_xld</span><span data-if="c" style="display:none">crop_contours_xld</span><span data-if="cpp" style="display:none">CropContoursXld</span><span data-if="com" style="display:none">CropContoursXld</span><span data-if="dotnet" style="display:none">CropContoursXld</span><span data-if="python" style="display:none">crop_contours_xld</span></code> crops all XLD contours given in <a href="#Contours"><i><code><span data-if="hdevelop" style="display:inline">Contours</span><span data-if="c" style="display:none">Contours</span><span data-if="cpp" style="display:none">Contours</span><span data-if="com" style="display:none">Contours</span><span data-if="dotnet" style="display:none">contours</span><span data-if="python" style="display:none">contours</span></code></i></a>,
i.e., only contour segments contained in the rectangle given by
<a href="#Row1"><i><code><span data-if="hdevelop" style="display:inline">Row1</span><span data-if="c" style="display:none">Row1</span><span data-if="cpp" style="display:none">Row1</span><span data-if="com" style="display:none">Row1</span><span data-if="dotnet" style="display:none">row1</span><span data-if="python" style="display:none">row_1</span></code></i></a>, <a href="#Col1"><i><code><span data-if="hdevelop" style="display:inline">Col1</span><span data-if="c" style="display:none">Col1</span><span data-if="cpp" style="display:none">Col1</span><span data-if="com" style="display:none">Col1</span><span data-if="dotnet" style="display:none">col1</span><span data-if="python" style="display:none">col_1</span></code></i></a>, <a href="#Row2"><i><code><span data-if="hdevelop" style="display:inline">Row2</span><span data-if="c" style="display:none">Row2</span><span data-if="cpp" style="display:none">Row2</span><span data-if="com" style="display:none">Row2</span><span data-if="dotnet" style="display:none">row2</span><span data-if="python" style="display:none">row_2</span></code></i></a> and <a href="#Col2"><i><code><span data-if="hdevelop" style="display:inline">Col2</span><span data-if="c" style="display:none">Col2</span><span data-if="cpp" style="display:none">Col2</span><span data-if="com" style="display:none">Col2</span><span data-if="dotnet" style="display:none">col2</span><span data-if="python" style="display:none">col_2</span></code></i></a> are
returned on output. While in <a href="clip_contours_xld.html"><code><span data-if="hdevelop" style="display:inline">clip_contours_xld</span><span data-if="c" style="display:none">clip_contours_xld</span><span data-if="cpp" style="display:none">ClipContoursXld</span><span data-if="com" style="display:none">ClipContoursXld</span><span data-if="dotnet" style="display:none">ClipContoursXld</span><span data-if="python" style="display:none">clip_contours_xld</span></code></a> all contour
segments that intersect a boundary line are omitted, here they
are cropped at the exact intersection point with the cropping rectangle.
If necessary, contours are split and several new contours are produced.
Closed contours can, however, be closed again using the parameter
<a href="#CloseContours"><i><code><span data-if="hdevelop" style="display:inline">CloseContours</span><span data-if="c" style="display:none">CloseContours</span><span data-if="cpp" style="display:none">CloseContours</span><span data-if="com" style="display:none">CloseContours</span><span data-if="dotnet" style="display:none">closeContours</span><span data-if="python" style="display:none">close_contours</span></code></i></a>. If it is set to <i><span data-if="hdevelop" style="display:inline">'true'</span><span data-if="c" style="display:none">"true"</span><span data-if="cpp" style="display:none">"true"</span><span data-if="com" style="display:none">"true"</span><span data-if="dotnet" style="display:none">"true"</span><span data-if="python" style="display:none">"true"</span></i>, a closed contour is
transformed into one or several contours that are closed via segments
on the cropping rectangle. If it is <i><span data-if="hdevelop" style="display:inline">'false'</span><span data-if="c" style="display:none">"false"</span><span data-if="cpp" style="display:none">"false"</span><span data-if="com" style="display:none">"false"</span><span data-if="dotnet" style="display:none">"false"</span><span data-if="python" style="display:none">"false"</span></i>, all
contours end at the points where they leave the cropping rectangle.
The resulting contours are returned in <a href="#CroppedContours"><i><code><span data-if="hdevelop" style="display:inline">CroppedContours</span><span data-if="c" style="display:none">CroppedContours</span><span data-if="cpp" style="display:none">CroppedContours</span><span data-if="com" style="display:none">CroppedContours</span><span data-if="dotnet" style="display:none">croppedContours</span><span data-if="python" style="display:none">cropped_contours</span></code></i></a>.
</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>在元组级别自动并行化。</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Contours" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Contours</span><span data-if="c" style="display:none">Contours</span><span data-if="cpp" style="display:none">Contours</span><span data-if="com" style="display:none">Contours</span><span data-if="dotnet" style="display:none">contours</span><span data-if="python" style="display:none">contours</span></code></b> (input_object)  </span><span>xld_cont(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HXLDCont.html">HXLDCont</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HXLDCont.html">HXLDCont</a></span><span data-if="c" style="display:none">Hobject</span></span>
</div>
<p class="pardesc">Input contours.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="CroppedContours" class="parname"><b><code><span data-if="hdevelop" style="display:inline">CroppedContours</span><span data-if="c" style="display:none">CroppedContours</span><span data-if="cpp" style="display:none">CroppedContours</span><span data-if="com" style="display:none">CroppedContours</span><span data-if="dotnet" style="display:none">croppedContours</span><span data-if="python" style="display:none">cropped_contours</span></code></b> (output_object)  </span><span>xld_cont(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HXLDCont.html">HXLDCont</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HXLDCont.html">HXLDCont</a></span><span data-if="c" style="display:none">Hobject *</span></span>
</div>
<p class="pardesc">Output contours.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Row1" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Row1</span><span data-if="c" style="display:none">Row1</span><span data-if="cpp" style="display:none">Row1</span><span data-if="com" style="display:none">Row1</span><span data-if="dotnet" style="display:none">row1</span><span data-if="python" style="display:none">row_1</span></code></b> (input_control)  </span><span>number <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Union[float, int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Upper border of the cropping
rectangle.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>0</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>0, 500, 1000, 1500, 2000</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Col1" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Col1</span><span data-if="c" style="display:none">Col1</span><span data-if="cpp" style="display:none">Col1</span><span data-if="com" style="display:none">Col1</span><span data-if="dotnet" style="display:none">col1</span><span data-if="python" style="display:none">col_1</span></code></b> (input_control)  </span><span>number <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Union[float, int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Left border of the cropping rectangle.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>0</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>0, 500, 1000, 1500, 2000</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Row2" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Row2</span><span data-if="c" style="display:none">Row2</span><span data-if="cpp" style="display:none">Row2</span><span data-if="com" style="display:none">Row2</span><span data-if="dotnet" style="display:none">row2</span><span data-if="python" style="display:none">row_2</span></code></b> (input_control)  </span><span>number <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Union[float, int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Lower border of the cropping rectangle.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>512</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>512, 1024, 1536, 2048</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Col2" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Col2</span><span data-if="c" style="display:none">Col2</span><span data-if="cpp" style="display:none">Col2</span><span data-if="com" style="display:none">Col2</span><span data-if="dotnet" style="display:none">col2</span><span data-if="python" style="display:none">col_2</span></code></b> (input_control)  </span><span>number <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Union[float, int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Right border of the cropping rectangle.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>512</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>512, 1024, 1536, 2048</p>
</div>
  <div class="par">
<div class="parhead">
<span id="CloseContours" class="parname"><b><code><span data-if="hdevelop" style="display:inline">CloseContours</span><span data-if="c" style="display:none">CloseContours</span><span data-if="cpp" style="display:none">CloseContours</span><span data-if="com" style="display:none">CloseContours</span><span data-if="dotnet" style="display:none">closeContours</span><span data-if="python" style="display:none">close_contours</span></code></b> (input_control)  </span><span>string <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">str</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (string)</span><span data-if="dotnet" style="display:none"> (<i>string</i>)</span><span data-if="cpp" style="display:none"> (<i>HString</i>)</span><span data-if="c" style="display:none"> (<i>char*</i>)</span></span>
</div>
<p class="pardesc">Should closed contours produce closed output
contours?</p>
<p class="pardesc"><span class="parcat">Default:
      </span>
    <span data-if="hdevelop" style="display:inline">'true'</span>
    <span data-if="c" style="display:none">"true"</span>
    <span data-if="cpp" style="display:none">"true"</span>
    <span data-if="com" style="display:none">"true"</span>
    <span data-if="dotnet" style="display:none">"true"</span>
    <span data-if="python" style="display:none">"true"</span>
</p>
<p class="pardesc"><span class="parcat">List of values:
      </span><span data-if="hdevelop" style="display:inline">'false'</span><span data-if="c" style="display:none">"false"</span><span data-if="cpp" style="display:none">"false"</span><span data-if="com" style="display:none">"false"</span><span data-if="dotnet" style="display:none">"false"</span><span data-if="python" style="display:none">"false"</span>, <span data-if="hdevelop" style="display:inline">'true'</span><span data-if="c" style="display:none">"true"</span><span data-if="cpp" style="display:none">"true"</span><span data-if="com" style="display:none">"true"</span><span data-if="dotnet" style="display:none">"true"</span><span data-if="python" style="display:none">"true"</span></p>
</div>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="clip_contours_xld.html"><span data-if="hdevelop" style="display:inline">clip_contours_xld</span><span data-if="c" style="display:none">clip_contours_xld</span><span data-if="cpp" style="display:none">ClipContoursXld</span><span data-if="com" style="display:none">ClipContoursXld</span><span data-if="dotnet" style="display:none">ClipContoursXld</span><span data-if="python" style="display:none">clip_contours_xld</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="clip_region.html"><span data-if="hdevelop" style="display:inline">clip_region</span><span data-if="c" style="display:none">clip_region</span><span data-if="cpp" style="display:none">ClipRegion</span><span data-if="com" style="display:none">ClipRegion</span><span data-if="dotnet" style="display:none">ClipRegion</span><span data-if="python" style="display:none">clip_region</span></a></code>, 
<code><a href="crop_part.html"><span data-if="hdevelop" style="display:inline">crop_part</span><span data-if="c" style="display:none">crop_part</span><span data-if="cpp" style="display:none">CropPart</span><span data-if="com" style="display:none">CropPart</span><span data-if="dotnet" style="display:none">CropPart</span><span data-if="python" style="display:none">crop_part</span></a></code>, 
<code><a href="clip_contours_xld.html"><span data-if="hdevelop" style="display:inline">clip_contours_xld</span><span data-if="c" style="display:none">clip_contours_xld</span><span data-if="cpp" style="display:none">ClipContoursXld</span><span data-if="com" style="display:none">ClipContoursXld</span><span data-if="dotnet" style="display:none">ClipContoursXld</span><span data-if="python" style="display:none">clip_contours_xld</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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